Bing: domains just not that relevant to SEO

Ranking today is a result of so many signals fed into the system the words used in a domain send less and less information into the stack as a percentage of overall decision making signals. … There are no shortcuts. Even the new generic top level domains (gTLDs) coming out near the end of February will be treated in this manner. Domain spamming isn’t new, so sites that provide value, are relevant and that people like will rank as usual. They won’t rank “just because” they have certain words in them, and thinking that keyword stuffing a domain (think: cars.cars) will give you an edge is dangerous.